Beijing Wellan Century Technology Co., Ltd.

[ Trader ]Main business are Machinery equipment, Electronic products.

Beijing Shuanghongda Ventilating Environmental Protection E

[ Trader ]Main business are Ventilation environmental protection equipment

Beijing Xinbaili Technological Development Co., Ltd.

[ Manufacturer Trader ]Main business are Water treatment technology research development, Film separation system

Jingzhou Qingyuan Purifying Equipment Co., Ltd.

[ Manufacturer ]Main business are Purification equipment